10K On The Bay
- Date
- September 27, 2026
- Distance
- 1 Mile Run or Walk · 5K (3.1 Miles) Run or Walk · 10K (6.2 miles) Run
From the Organizer
Lace up for a race with a view!
Presented by the Hayward Area Recreation and Park District, the 10K on the Bay returns on Saturday, September 27– and you won’t want to miss it.
Whether you're a seasoned runner or just out for some family fun, there's a course for everyone:
- One-Mile Family Fun Run
- 5K (3.1 miles)
- 10K (6.2 miles)
All races start and finish at the scenic Hayward Shoreline Interpretive Center, with breathtaking bay views and cool coastal air to keep you going strong.
Every participant receives a finisher medal and commemorative t-shirt* – plus the satisfaction of supporting the Hayward Shoreline Interpretive Center’s vital education and conservation programs. *Limited to the first 300 runners to register.
Sign up today and run for a great cause – and an even better view!
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
76°
Typical Low
57°
Chance of Rain
5%
Based on US Climate Normals data from Hayward Air Terminal, 5 mi from the venue.
Host City
About Hayward, CA
Population
159,201
as of 2023
Elevation
881 ft
Nearest Airport
OAK
San Francisco Bay Oakland International Airport · 11 mi
Time Zone
Pacific Time
From Endurance Grid
A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at 10K On The Bay, put it on the calendar, and turn “someday” into a start date.
Coming Up
More Running races near Hayward, CA
The City Eats & Stack Run Club - Hayward 5K
5K
Less than a mile away
Beer City Half™ SLAM
7 miles away
The 41st Annual Newark Mile 4k (2026)
9 miles away
Lake Chabot Trail Run
3 miles away
From Endurance Grid
About This Sport
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
The 10K is the distance where running stops feeling like a starting point and starts feeling like a sport. Long enough to require a real training block. Short enough that race day is fully manageable for a first-timer who's put in the work.
Race day energy at a 10K is community at its best — strangers cheering you by name, people moving toward the same goal, an atmosphere that solo training can't replicate. It's fast enough that you'll spend the whole race pushing rather than managing your effort.
This is also the distance that builds the base for everything else. Most athletes who go on to run half marathons, do triathlons, or compete in HYROX started here. What you need: running shoes fitted to your stride, a training plan, and the race on your calendar. The registration is what makes the deadline real.
How long to train: 4–8 weeks for most fitness levels.
Running
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
- What is the 10K On The Bay?
- 10K On The Bay is a running race held in Hayward, California on September 27, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
- When and where is the 10K On The Bay?
- Sunday, September 27, 2026 in Hayward, California at 4901 Breakwater Avenue, Hayward, CA. Check the event page for exact start times and wave schedules.
- How do I register for the 10K On The Bay?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
10K On The Bay
Sep 27, 2026